WMSIC Electronic Components

Mini-Circuits ADT4-6T+

ModelADT4-6T+
PackageSMD-6P,7.8x5.6mm
BrandMini-Circuits
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Mini-Circuits ADT4-6T+
Type
MINI-CIRCUITS
Unit
Electronic Component
Minimum package
900

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MINI-CIRCUITS
Electronic Component
ADT4-6T+
Electronic Component
1
Electronic Component
6.91mm
Package
SMD-6P,7.8x5.6mm
Electronic Component
(balun)
Electronic Component
0.37g
Electronic Component
7.87mm
Electronic Component
5.23mm
Electronic Component
2°
Electronic Component
1
Electronic Component
BM0265000505
Operating Temperature
20℃~+85℃
Frequency
60kHz~300MHz
Electronic Component
900

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ADT4-6T+ 产品概述

一、产品简介

ADT4-6T+ 是 Mini-Circuits 推出的宽带表面贴装(SMD)信号变压器 / RF XFMR,适用于单端到差分(不平衡/平衡)转换和阻抗匹配应用。该器件工作频率覆盖 60 kHz 至 300 MHz,兼顾音频、视频、中频及低频射频应用,提供低插入损耗、优良的回波损耗和小幅度/相位不平衡,适合高保真传输链路、ADC 驱动、混频器与前端匹配等场景。器件符合 RoHS 要求,适合自动化 SMT 制程。

二、主要参数(关键性能)

  • 频率范围:60 kHz ~ 300 MHz
  • 阻抗比(不平衡/平衡):1 : 4(典型用于 50 Ω 单端到 200 Ω 差分转换)
  • 插入损耗(最大):0.94 dB
  • 相位差:2°(典型/最大,保证差分信号相位匹配)
  • 幅度差(最大):0.1 dB(保证差分幅度对称性)
  • 回波损耗(最小):24 dB(输入/输出端良好阻抗匹配)
  • 工作温度:-20 ℃ ~ +85 ℃(工业级环境适用)
  • 外形尺寸:长 7.87 mm × 宽 6.91 mm × 高 5.23 mm
  • 封装形式:表面贴装(具体封装与焊盘请参照厂方数据手册)
  • 环保合规:RoHS

三、特性与优势

  • 宽带覆盖:60 kHz 至 300 MHz 的频带使其同时满足音频/视频与低频 RF 应用,减少器件种类,便于通用设计。
  • 低插入损耗:最大 0.94 dB 的低损耗降低信号衰减,适用于对信噪比敏感的前端电路与差分驱动。
  • 优良平衡性:幅度差 ≤0.1 dB、相位差 ≤2°,对高精度差分传输与 ADC 驱动非常有利,确保差分信号的共模抑制与线性度。
  • 高回波损耗:≥24 dB 的回波损耗表明端口阻抗匹配优良,减少反射、改善频带响应平坦性。
  • SMD 便于装配:表面贴装结构适合现代 PCB 自动化生产,缩短装配周期并提高可靠性。
  • 宽温度工作范围:支持典型工业温度区间,适应多种环境条件。

四、典型应用

  • 单端到差分转换(balun),用于将单端信号驱动到差分 ADC 或放大器。
  • 阻抗变换与匹配网络,在混频器、滤波器与接收机前端实现宽带匹配。
  • 视频与音频传输链路,需宽带且保真度高的场合。
  • 测试与测量设备,用于信号分配、隔离与匹配应用。
  • 通信设备的 IF/基带链路、卫星/地面接收机和宽带收发模块中。

五、设计与布局建议

  • 对称布线:差分输出的两条走线应等长、等走向,保持阻抗对称性以发挥器件幅/相匹配优势。
  • 接地要求:参考数据手册为基准,保持接地平面完整,器件底部和周边应有合适的接地处理以降低共模干扰。
  • 串联电容:若系统需要直流隔离,请在变压器与后端输入之间配置合适的 DC 阻断电容,电容的自谐频率应高于工作频段。
  • 走线最短化:尽量缩短从器件到关键器件(如 ADC、放大器)的走线,减少寄生电感与电容引入的频率响应变化。
  • 贴片工艺:遵循 Mini-Circuits 的推荐回流焊温度曲线与焊盘布局,避免超时高温或重复回流影响性能。

六、机械与环境事项

  • 外形尺寸(7.87 × 6.91 × 5.23 mm)适合多数 SMD 布局,但封装及引脚分配需以厂方机械图为准,采购与 PCB 设计前请参照官方 3D/PCB 封装资料。
  • 工作温度 -20 ℃ 到 +85 ℃,在高温或极端环境需评估长期漂移与热循坏影响。
  • RoHS 合规,适用于对无铅与环保要求严格的量产项目。

七、注意事项与建议

  • 功率与线性度参数(例如最大持续功率、瞬时电流、饱和点等)不在本概述内列出,请在设计前查阅 Mini-Circuits 官方数据手册以确认最大额定值。
  • 若需在高功率或含直流偏置的应用中使用,需核实器件对直流分量的处理能力(多数 RF 变压器对直流敏感)。
  • 对于极宽频带或高频端性能要求极严的设计,建议在原型板上进行时域/频域测试(S参数、差模/共模响应)以验证实际性能与系统匹配。

八、采购与替代

ADT4-6T+ 适用面广,若需替代器件请匹配频率范围、阻抗比、插入损耗、幅/相不平衡与封装尺寸等关键参数,并优先选择同等级 Mini-Circuits 或其它知名厂商的同规格变压器以保证兼容性。采购前建议确认库存、交期与批次一致性。

如需更详细的 S 参数、机械图与焊盘建议,请提供项目需求以便进一步整理针对性的技术资料与布局建议。

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